Astronomical Societies

Aberdeen Astronomical Society ( AAS )
AAS is an organisation for astronomy enthusiasts that meet on a regular basis for astronomical observing, talks by guest speakers and visits to observatories and planetaria.
Agrupacion Astronomica de Madrid ( AAM )
The Agrupacion Astronomica de Madrid (AAM) is a cultural association founded in 1974, with two main objectives: study and development of the Astronomy and related sciences at an amateur level; to spread and impulse the Astronomy in the Madrid Community area. [in Spanish]
Aldrich Astronomical Society ( AAS )
The official homepage of Aldrich Astronomical Society, a club founded in 1932 which is active in the central Massachusetts area.
Amateur Astronomers Association of Princeton ( AAAP )
Home Page for the Amateur Astronomers' Association of Princeton (New Jersey). Includes information about club activities, program schedule, and special events.
Amateur Astronomers Association ( AAA )
The Amateur Astronomers Association is the regional society for astronomy in the New York cosmopolitan area. It operates a wide range of public and inhouse educational programs in astronomy. These include lectures, seminars, classes, and starviewing. Sessions are held at the Association's offices are at other venues, like parks, in and around New York. The Association is the City's advocate for astronomy before social and cultural matters, development hearings, community discussions, and science & nature projects of other organizations.Membership in the AAA, $20 per annum, includes monthly newsletter EYEPIECE. It enables receipt of a member's discount subscriptions to Sky & Telescope and Astronomy magazines. Snailmail address: 1010 Park Avenue, New York NY 10028. Voice: 212-LE5-2922.
Amateur Astronomers, Inc. Cranford, New Jersey ( AAI )
Oldest amateur astronomy club in NJ. Sperry Observatory, Cranford NJ: 24-inch reflector, 10-inch refractor. Lectures, seminars, talks, demos, tutorials. CCD and H-alpha imaging. Eclipse chasing.
Amateurs Astronomes du Luxembourg ( AAL )
AAL is a non-profit organization dedicated to the promotion of astronomy. The site contains basic information on the activities of the organization and links to various resources of interest to amateur-astronomers.
American Association for the Advancement of Science ( AAAS )
The Editor of Science.
American Association of Amateur Astronomers ( AAAA )
The American Association of Amateur Astronomers. welcomes all individuals interested in astronomy of any level of expertise, from novice to nationally recognized expert. Interests range from observing and astrophotography to CCD imaging and armchair astronomy.
American Association of Variable Star Observers ( AAVSO )
AAVSO (American Association of Variable Star Observers) is the world's largest variable star organization; serving amateur and professional astronomers since 1911.
American Astronomical Society - Division of Dynamical Astronomy ( DDA )
The object of the American Astronomical Society Division on Dynamical Astronomy is the advancement of all aspects of dynamical astronomy, including celestial mechanics, solar system dynamics, stellar dynamics, the dynamics of the interstellar medium and galactic dynamics, and coordination of such research with other branches of science.
American Astronomical Society ( AAS )
Contains information on the Society, meeting schedules, meeting abstracts (in HTML), staff directory, the AAS Job Register and AASTeX .
American Geophysical Union ( AGU )
American Geophysical Union is an international scientific society with more than 32,000 members in over 115 countries. For over 75 years, AGU researchers, teachers, and science administrators have dedicated themselves to advancing the understanding of Earth and its environment in space and making the results available to the public
American Institute of Physics ( AIP )
The American Institute of Physics (AIP) is a not-for-profit membership corporation chartered in New York State in 1931 for the purpose of promoting the advancement and diffusion of the knowledge of physics and its application to human welfare.
American Mathematical Society ( AMS )
American Mathematical Society top level WWW page
American Meteor Society ( AMS )
The American Meteor Society is a non-profit organization devoted to the observation of meteoric phenomena, the analysis and publication of results, and promoting professional-amateur cooperation in meteor science.
American Nuclear Society ( ANS )
American Physical Society ( APS )
On-line information includes the APS E-Print Archive Forum.
Ames Area Amateur Astronomers ( AAAA )
The Ames Area Amateur Astronomers, Inc. is a 501(c)(3) non-profit educational and scientific organization.
Arkansas/Oklahoma Astronomical Society ( AOAS )
The Arkansas Oklahoma Astronomical Society is a registered not-for-profit organization dedicated to raising the public's awareness about the science of astronomy and to increasing the application of astronomical science in education. The AOAS primary focus is the region around in Fort Smith, Arkansas.
Armagh Planetarium
An astronomical resource for educators and Planetarium workers which contains images obtained through our telescopes and a variety of other material.
Armenian Astronomical Society ( ArAS )
Asociacion Colombiana De estudios Astronomicos ( ACDA )
ACDA is a non profit amateur association devoted to the research and popularization of Astronmy in Colombia. [in Spanish]
ASociación de Astronomos AFicionados de la Univ. Complutense de Madrid ( ASAAF-UCM )
Society of students of Astrophysics. Travels, amateur projects and introdution lessons. [in Spanish]
Asociación Valenciana de Astronomía ( AVA )
Astronomical amateur society founded in 1972, in Valencia (Spain). [in Spanish].
Association des Astronomes Amateurs de l'Abitibi-Temiscamingue ( AAAAT )
This is an amateur organization located in the western part of the Province of Quebec, Canada, far away from major centers. [in French]
Association Francaise d'Astronomie ( AFA )
The Association Française d'Astronomie (AFA) publishes monthly "Ciel & Espace".
Association Nouvelle pour la Diffusion et la Recherche à l'Observatoire de Marseille Et le Développement des Expositions ( ANDROMEDE )
Association ANDROMEDE, Observatoire de Marseille [in French].
Association of Falkirk Astronomers ( AFA )
Astronomy society active in central Scotland.
Association of Lunar & Planetary Observers ( ALPO )
An educational organization that instucts observers in proper technique, collects amateur observations and promulgates them to the professional community.
Associazione Friulana di Astronomia e Meteorologia ( AFAM )
AFAM is an Italian amateur astronomical society in 1970, and devoted to the popularization of astronomy and amatorial research. The activity is conducted in its observatory, located in Remanzacco (about 150Km E-NE of Venice). Main fields of interest are: Solar System radioastronomy (Sun, meteors, Jupiter), and photometry of cataclismic variables. AFAM is deeply involved with professional and amateur astronomers conducting international studies in selected topics.
Astrobel ( Astronomy at Belfort, France )
French amateur organization. CCD photos and images processing, Moon, planetary with modified quickcam, Solar eclipse of the 08/11/99, Celestron C8 telescope, Amateur meeting. [Site in English / French]
Astrofili.org ( Amateur astronomy in Italy )
Portal for amateur astronomy in Italy [in Italian].
Astronomia Autodidacta ( Colombia )
Astronomy resourses for beginners and amateurs in Spanish
Astronomical League
The goal of The Astronomical League is to encourage an interest in astronomy (and especially amateur astronomy) throughout America. This is done through educational and observational programs for the amateur astronomer.
The Astronomical League is composed of over two hundred local amateur astronomical societies from all across the United States. These organizations, along with our Members-at-Large, Patrons, and Supporting members form one of the largest amateur astronomical organizations in the world.
Astronomical Ring for Access to Spectroscopy ( ARAS )
ARAS is an informal group of volunteers who aim to promote cooperation between professional and amateur astronomers in the field of spectroscopy. The purpose of ARAS in fostering the participation of amateur astronomers in scientific projects in the field of spectroscopy is not to implement and coordinate observing campaigns. This is the role of astronomy research scientists, laboratories or international consortiums. ARAS will however attempt to consolidate the acquired data into a web database and will ensure that the quality of its data is compatible with scientific processing methods. ARAS was held from 6 to 11 May 2003 by the 8th "Ecole d'Astrophysique d'Oléron, France" and organized by Jean-Pierre Rozelot ("Observatoire de la Côte d'Azur", France), under the aegis of the "Centre National de la Recherche Scientifique" (CNRS). This session essentially focused on the theme "Astrophysics Tools for Cooperation between Amateur and Professional Astronomers", with special emphasis on spectrography. It demonstrated that amateurs can make a useful contribution to observation in a broad range of fields. [also in French, Italian, Portuguese, and Spanish]
Astronomical Society Ivan Stefek, Kutina, Croatia
Astronomical society dedicated to school astronomy, in Croatia.
Astronomical Society of Australia ( ASA )
The Astronomical Society of Australia (ASA) is the society of professional astronomers in Australia. This link points to the ASA Home Page, listing a variety of information on the Society and its activities, including " Instructions to Authors" for its journal and email addresses of members.
Astronomical Society of Edinburgh
The Astronomical Society of Edinburgh (ASE) was founded in 1924 and since 1938 has run the City Observatory at the Calton Hill. Its aims are to advance the education of the public about the science of Astronomy and to promote astronomical research chiefly in Edinburgh and its neighbourhood.
Meetings are held monthly throughout the year and anyone interested in astronomy is eligible for membership.
Astronomical Society of Glasgow ( ASG )
The Astronomical Society of Glasgow was founded in 1894 as the West of Scotland Branch of the British Astronomical Society (BAA), and became The Astronomical Society of Glasgow, affiliated to the BAA, in 1954. The Society is also a member of the Scottish Astronomers' Group and the British Association of Planetaria. The Astronomical Society of Glasgow holds monthly lecture meetings between September and April inclusive.
A newsletter is circulated to members nine times a year.
Astronomical Society of India ( ASI )
The Astronomical Society of India was established in 1972 and in the past twenty-five years has grown to become the prime association of professional astronomers in India with more than 500 members.
The objective of the society is the promotion of Astronomy and related branches of science in India. The society organises scientific meetings, publishes a quarterly bulletin and supports the popularisation of Astronomy and other similar activities.
The site describes the activities of the Astronomical Society of India, and includes an online membership directory.
Astronomical Society of Nevada ( ASN )
The Astronomical Society of Nevada is located in Northern Nevada.
Astronomical Society of Rowan County
Astronomy club located in Salisbury North Carolina. Founded June 1981 to encourage the public to explore science, with a focus on teaching astronomy fundamentals to children, club members, and the interested public.
Astronomical Society of the Pacific ( ASP )
The A.S.P. is one of the leading organizations in the world in astronomy education. The Society includes professional astronomers, amateur astronomers, educators, and interested laypeople. The site features information about its newsletter for teachers, its popular-level magazine, its workshops and meetings, its non-profit catalog of educational materials, its educational resource lists and publications, and Project ASTRO which joins astronomers and teachers as partners in the classroom.
Astronomie au Quebec
Groupe Astro & CCD. [In french]
Astronomy & Physics Internet Society ( APIS )
APiS (Astronomy & Physics Internet Society) is a new type of society/club that, we hope Richard Feynman would have been happy with. This is an open society with the goal of bringing together scientists (amateur/professional/enthusiast) and students interested in astronomy & physics.
Astronomy Ireland ( Astrononomy and Space Organisation )
Largest Astronomy Society in Ireland involved in education and promotion of Astronomy all over the island of Ireland. Can also be reached at +35318470777.
Astronomy Section, Rochester Academy of Scieces ( ASRAS )
Events schedule for the Astronomy Section, Images, links, and a list of current Supernovae.
Astroteam Mariazellerland
Homepage of astronomical club situated in Mariazell, Stmk, Austria.
Instruments : 16" Meade LX200, observation dome 5m in diameter. [also in German]
Auckland Observatory and Stardome Planetarium
Situated in New Zealand's largest city. A public Observatory established in 1967. Now with a new (1997) 11 metre Zeiss planetarium.
Research interests include photometry of binary and variable stars.
Austin Astronomical Society ( AAS )
Austin Astronomical Society (AAS) is a non-profit organization for anyone interested in any aspect of astronomy or the space sciences. A major portion of AAS activities are public education outreach efforts.
Big Sky Astronomical Society ( Alberta, Canada )
The astronomical society for kids, their parents, and teachers. Lots of fun and educational web pages to explore, online projects, Adopt-A-Star, and more! (Vulcan, Alberta, Canada)
Big Sky Astronomy Club - Flathead Valley, Montana ( BSAC )
The Big Sky Astronomy Club is a group of dedicated amateur astronomers located in the beautiful Flathead Valley of Northwest Montana. We are committed to sharing our varied interests in, our collective knowledge of and unbridled passion for astronomy with the residents of our fair valley and, to the extent possible, the rest of our "Pale Blue Dot".
Biscayan Astronomical Group ( AAV-BAE )
Founded in 1983, the Agrupacion Astronomica Vizcaina - Bizkaiko Astronomi Elkartea is a cultural society of amateur astronomers, covering the territory of Bizkaia and Bilbao (Basque Country). [in Spanish]
Boothe Memorial Astronomoical Society - Stratford, CT USA ( BMAS )
The Boothe Memorial Astronomical Society was formed in 1953 by a group of passionate individuals with a thirst for obtaining knowledge and educating the public in the field of astronomy. Our observatory is located at Boothe Memorial Park in Stratford, CT.
Boston Amateur Telescope Makers ( ATMoB )
ATMoB is one of North America's oldest and largest astronomy clubs. Monthly meetings are held the 2nd Thursday except in August at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts and feature many distinguished speakers presenting on a wide range of topics. A clubhouse and observatory are maintained in Westford, MA.
Brasilian Astronomical Society ( SAB )
Home page of the Sociedade Astronômica Brasileira with information on the Society, meeting schedules, members directory. [in Portuguese]
Bucks-Mont Astronomical Association ( BMAA )
Bucks-Mont Astronomical Association is an active astronomy organization of Bucks and Montgomery County colleagues in Pennsylvania. BMAA sponsors Stella-Della-Valley, the annual weekend convention held in October at a dark-sky observing site in upper Bucks County (Ottsville, Pennsylvania, about 40 miles north of PHiladelphia). BMAA numbers about 80 members.
Calumet Astronomical Society
Calumet Astronomical Society is an amateur organization serving Northwest Indiana and the Chicago area.
Canadian Astronomical society ( CASCA )
Cardiff Astronomical Society
Cardiff Astronomical Society, UK, News and Homepage Information on astronomy, telescopes and exhibitions Links to other society pages and astronomy sites in the UK.
Carolune Institute for Quality Astronomy ( CIQuA )
The CIQuA fellowship program is designed to allow those researchers whose partners are also scientists to remain in the same location as their partner while continuing their research. The institute works through the internet. A non-geographic institute prevents dual-career couples to be stretched over the planet. Its membership is composed of young researchers. Faculty members are associated to the research programs.
Champaign-Urbana Astronomical Society ( CUAS )
The Champaign-Urbana Astronomical Society is devoted to the promotion of astronomy and enjoyment of the night skys.
Chicago Astronomical Society
Chicago Astronomical Society is the oldest Astronomical Society in the North American Continent, having been established in 1863. We are dedicated to the advancement of Astronomy; the society is presently building a small observatory for research near Kankakee, Illinois.
Chinese Academy of Sciences ( CAS )
Ciel d'Anjou ( ACA )
[in French]
Cincinnati Observatory Center
The Cincinnati Observatory Center is the first and oldest observatory in the United States. It has been founded in 1842. It hosts a 12-inch Merz und Mahler refractor and a 16-inch Alvan Clark refractor, each with a beautifully restored tube, mount, and mechanical clock drive.
Cotswold Astronomical Society ( CAS )
The Cotswold Astronomical Society is a society for amateur astronomers in the Cotswold's of England, centered on Cheltenham and Gloucester.
Croydon Astronomical Society ( CAS )
The Croydon Astronomical Society is a registered Charity based in Croydon, South of London (UK). We organise lectures on Astronomy which are open to members & visitors. We have an observatory at Kenley with an 18" Newtonian Telescope which is for the use of members.
Cyprus Astronomical Society
Cyprus Astronomical Society was established in 1990 by a group of professional and amateur astronomers living in Cyprus.
Czech Astronomical Society
Czech Astronomical Society (CAS) is a voluntary association of professional and amateur astronomers and friends of astronomy and related sciences and also corporate members in the Czech Republic. CAS was founded on December 8, 1917 in Prague. [also in Czechoslovak]
Decatur Area Astronomy Club ( DAAC, USA )
A club and educational website. Decatur Area Astronomy Club is located in Decatur Illinois. Founded in 2002 as a chance meeting of its founding members, DAAC has grown to about 20 members at present and works with the Macon county Conservation District and Millikin University to promote the science of astronomy to its members and the public at large.
Delaware Valley Amateur Astronomers ( DVAA )
The Delaware Valley Amateur Astronomers (Philadelphia, Pa) is dedicated to encouraging cooperation among amateur astronomers and educating the general public in astronomy. The home page details the club's activities, and includes excerpts from the newsletter.
Delmarva Stargazers ( DMSG )
Amateur Astronomy on the Delmarva Peninsula for 7 years. Star Parties and Telescope making. Monthly meetings and club newsletter.
Denmark Astronomical Society
The Astronomical Society in Denmark is the only Danish nationwide society for people interested in Astronomy.
Dutch Meteor Society ( DMS )
The Dutch Meteor Society (DMS) is an amateur group of young people interested in all aspects regarding meteors and related matters. They observe meteors visually, photographically, video and with all-sky cameras.
DMS publishes a bi-monthly magazine called Radiant.
Dutch Society for Meteorology and Astronomy ( NVWS : Nederlandse Vereniging voor Weer- en Sterrenkunde )
The society unites nearly 4000 people with an interest in astronomy and/or meteorology and was founded in 1901. Purpose: popularization of astronomy and meteorology. A lot of the members do amateur observations or build telescopes.
The society cooperates in the publishing of the monthly magazine Zenit and the annual almanac Sterrengids.
Each year there are a popular symposium and several amateur meetings. There are regional departments, national working groups on specific subjects and a large society for youth, the Jongerenwerkgroep.
Earth and Space Foundation ( ex-2111 Foundation for Exploration )
The Earth and Space Foundation is an international charity that funds scientific exploration that both helps us to understand the Earth's environment and explore the frontier of space.
East Sussex Astronomical Society ( ESAS )
Eastbay Astronomical Society
The Eastbay Astronomical Society, founded in 1924, is associated with the Chabot Observatory & Science Center in Oakland, California.
Eastside Astronomical Society
Based in the East-Seattle, Washington Metropolitan area, the Eastside stronomical Society is a non-profit, public organization of amateur astronomers, active and retired science professionals, as well as space enthuiasts, all of whom are dedicated to advance and promote the understanding of astronomy within our community and to keep abreast of developing events in space science.
Escambia Amateur Astronomers Association ( EAAA )
This site contains educational resources and information for the use of amateur astronomers of all ages.
Euganea Astronomical Association ( AAE )
The Associazione Astronomica Euganea is an amateur organization located in the north eastern part of Italy. The primary interest of our association is the divulgation of the Astronomy. [in Italian only]
Eugene Astronomical Society ( Oregon )
The Eugene Astronomical Society in Eugene, Oregon provides access to information about Astronomy, telescopes, meeting information, and members. Also available are links to Web formatted versions of it's newsletter, 'Io'
Euro-Asian Astronomical Society ( EAAS )
The Euro-Asian Astronomical Society was created in April 1990.
The Society performs its activities mainly in New Independent States on the territory of the Former Soviet Union and surrounding countries. The main goals of the society are to maintain the development of astronomy and to reinforce scientific contacts between astronomers of the former Soviet Union and their colleagues all over the world.
European Association for Astronomy Education ( EAAE )
The purpose of the EAAE is to improve and promote scientific astronomical education all over Europe in schools of all levels and other institutions involved in the teaching of astronomy. [also in French and German]
European Association for Research in Astronomy
EARA is an Associated European Laboratory for promoting research and collaboration at its five member laboratories:
European Astronomical Society ( EAS )
The European Astronomical Society is an association founded in 1990. The purpose of the society is to contribute to and promote the advancement of astronomy, in its broadest sense, in Europe, by all suitable means and in particular:
a) by providing an independent forum for the discussion of subjects of common interest.
b) by providing means whereby action can be taken on those matters which appear desirable to be handled at the European level.
European Geophysical Society ( EGS )
The EGS, founded in 1971, is a dynamic, innovative, and interdisciplinary learned society devoted to the promotion of: the sciences of the Earth and its environment, and of planetary and space sciences; cooperation between scientists.
European Interferometry Initiative ( EII )
The mission of the Eur Interferometry Initiative is: 1. Facilitate communications and collaborations between European scientists and institutes working on optical long-baseline interferometry for astronomy 2. To exploit synergy within Europe in order to produce world leading science in the field of optical long-baseline interferometry 3. To work toward integration of education activities on an European scale. Both for professional astronomers through workshop and symposia, and at the graduate level (European Graduate School) 4. To work toward an European vision on the long term future of optical long-baseline interferometry
European Physical Society ( EPS )
The European Physical Society is an organisation of more than 70 000 European Physicists. Since its foundation in 1968 in Florence, Italy, it has been dedicated to the advancement and diffusion of the knowledge of physics.
European Radio Astronomy Club ( ERAC )
The European Radio Astronomy Club is the largest group of individuals doing Radio Astronomy in Europe, with a membership of over 350 in over 16 Nations. The web site is just a visiting card in the internet, all real group communication is done 2 or 3 times anually via a hard copy newsletter sent out all over the world. A Regular Congress is held every 3 years at The Starkenburg Observatory "OBS611" at Heppenhein, south of Frankfurt Airport. Strong links have always existed between ERAC and Jodrell Bank.
European Science Foundation ( ESF )
The European Science Foundation acts as a catalyst for the development of science by bringing together leading scientists and research funding agencies to debate, plan and implement pan-European initiatives.
Euroscience
Euroscience was founded in 1997 in order to:
  1. Offer an open forum for scientists, industrialists and citizens interested in science and technology,
  2. Strengthen the links between European research and European society,
  3. Contribute to the creation of an integrated space for science and technology in Europe,
  4. Influence science and technology policies.
Evansville Astronomical Society ( Indiana )
Meetings are held monthly at the Wahsiedler Observatory in Lynnville Park, Lynnville Indiana. The Observatory houses a 14" SCT and a 12.5" Newtonian Reflector.
Federation of Astronomical and Geophysical Data Analysis Services ( FAGS )
The Federation of Astronomical and Geophysical Data Analysis Services (FAGS) was formed by the International Council of Scientific Unions (ICSU) in 1956 and includes today eleven Permanent Services each operating under the authority of one or more of the intererested Scientific Unions: International Astronomical Union (IAU), International Union of Geodesy and Geophysics (IUGG), and Union Radiologique Scientifique (URSI). Their tasks are to continuouisly collect observations, information and data related to astronomy, geodesy, geophysics and allied sciences; to analyse, synthesize, and draw conclusions from them; to distribute data; and to publish the results obtained.
Fox Park Public Observatory ( FPPO )
The Fox Park Public Observatory is located in Potterville, Michigan.
Francois-Xavier Bagnoud Observatory ( OFXB, Switzerland )
The François-Xavier Bagnoud Observatory, located above the village of St-Luc in the Swiss Alps, stands at an altitude of 2200 metres. It is intended not only for the experienced amateur wishing to produce work of a quasi-professional quality, but also for the use of schools and for simple visitors. curious.
Equipped with numerous instruments (60 cm reflecting telescope with CCD camera, 20 cm refracting telescope, coelostat, 16 cm coronagraph) it may be used day or night. [in French]
Fremont Peak Observatory Association ( FPOA )
The Fremont Peak Observatory Association is a non-profit corporation associated with the State of California Department of Parks and Recreation. FPOA is one of many state parks cooperative associations. It is unique in the it is the only cooperative association devoted to interpreting astronomy to the public. The FPOA constructed an observatory in the Fremont Peak State Park in San Benito County. It is eleven miles from San Juan Bautista. The main objective of the FPOA is to promote astronomy through public educational and interpretive programs at Fremont Peak State Park.
French Association of Variable Star Observers ( AFOEV )
More than 1,800,000 observations with the first recorded observation dating back to 1896. This database also includes observations made by other associations, namely the BAV (Germany), HAA (Hungary), NHK (Japan), NVVW (The Netherlands), Belgian, Norwegian, Swedish, Ukrainian and several astronomical groups in Spain. The observations are suplied free of charge. [also in French]
Future Asteroid Interception Research ( astronomy fund raising )
On-Line Fund-Raising for individuals to contribute to asteroid research projects to assess asteroid or NEO risk from space. Links and News of latest research.
German Astronomical Society ( AG )
The WWW pages of the ''Astronomische Gesellschaft" contain basic information on the activities and members of this organization of German speaking astronomers.
Global Network of Automatic Telescopes ( GNAT )
Home page of the Global Network of Automatic Telescopes including white papers, meeting announcements and other information.
Grand Rapids Amateur Astronomical Association ( GRAAA )
Promoting astronomy in the West Michigan area. The GRAAA owns and operates the James C. Veen Observatory.
Grand Strand Skygazers Astronomy Club ( Skygazers )
Myrtle Beach, South Carolina-based astronomy club offers meetings, star parties, telescope and binocular education, educational outreach, and photo galleries.
Griffith Observatory
The Griffith Observatory is a non-profit educational institution whose purpose is to provide information on astronomy and related sciences to the public. It is not a research institution, although from time to time it carries out modest research projects.
Groupe Europeen d'Observations Stellaires ( GEOS )
Astronomical amateur society founded in 1974. Working in France, Italy, Belgium, Spain and Helvetia. Astronomical interest of variable stars and asteroidal occultation.
Grove Creek Observatory, Australia ( GCO )
Grove Creek Observatory in NSW Australia, specializes in CCD imaging and research. Accomodation is available for visiting amateur astronomers.
Grup d'Estudis Astronomics ( GEA )
GEA is a private non-profit organization devoted to research in Astronomy. We are now deeply involved in Jupiter & Saturn atmospheric studies. Our members are also developing LAIA, a powerful image analysis tool for MS-Windows, able to reduce CCD images of Jupiter, giving coordinates of atmospheric details. We are, among others, collaborating with the "Pic du Midi" observatory (French Pyrenees). From that observatory, our members discovered and tracked the last GWS (Great White Spot) in Saturn (August 1994). [in Catalan]
Grupo Astronomico Silos de Zaragoza, Spain ( GAS )
[in Spanish].
Hamilton Amateur Astronomers ( HAA )
The Hamilton Amateur Astronomers is a group dedicated to the enjoyment of astronomy and public education.
Hawaiian Astronomical Society ( HAS )
Hellenic Astronomical Society ( HEL.A.S. )
The Hellenic Astronomical Society (HEL.A.S), was established in 1993 and is the major organization of professional astronomers in Greece.
Houston Astronomical Society ( HAS )
The Houston Astronomical Society in Texas has 250+ members and an 18 acre observatory site with a rolloff roof building housing 3 pier'ed telescopes.
Huachuca Astronomy Club of Southeastern Arizona ( HAC )
The Huachuca Astronomy Club is located in Southeastern Arizona where dark skies rule. The web site features information on manyaspects of amateur astronomy, as well as resources on relocating to this region of the United States.
Hungarian Astronomical Association ( MCSE )
Hungarian Astronomical Association (Magyar Csillagaszati Egyesulet) is a society of professional and amateur astronomers and friends of astronomy. The association, founded in 1946, is the only Hungarian nationwide society for those interested in astronomy.
Hungarian Astronomical Association publishes the monthly journal Meteor. Its annual publication is the Meteor csillagaszati evkonyv, a Hungarian language yearbook. [in Hungarian].
IAA - Israeli Astronomical Association ( IAA )
This is the website of the IAA - Israeli Astronomical Association. The IAA is the biggest amateur astronomers organization in Israel. [in Hebrew]
Institut National des Sciences de l'Univers/CNRS ( INSU )
INSU is the French national agency for Sciences of the Universe. Endowed with its own budget, voted by the CNRS Board of Directors, INSU is responsible for the major facilities and programs in this field of research, and for the Universe Sciences Observatories in France. The server includes the list of all French astronomy departments.
International Astronomical Union ( IAU )
Announcements, Information bulletin and services of the International Astronomical Union (IAU; Union Astronomique Internationale, UAI).
International Astronomical Youth Camp ( IAYC )
The IAYC is organized every year in a different European country. The 70 participants are between 16 and 24 years old and come from over 20 different countries. They work for 3 weeks in 8 working groups on their own astronomy research projects.
International Dark-Sky Association ( IDA )
The International Dark-Sky Association is a non-profit corporation formed to serve the public and astronomy community through information, education, and research on light pollution, energy conservation, rotection of observatory environments and related topics. IDA assists by sharing knowledge on a local, national and international basis. While IDA was organized for the purpose of preserving dark skies for astronomy and the general public, solutions to the problem of light pollution will promote the best outdoor lighting design, thereby reducing energy use and helping preserve Earth's resources.
International Fellowship of Rotarian Amateur Astronomers ( IFRAA )
The Rotary International Fellowship of Rotarian Amateur Astronomers (IFRAA) is for Rotarian members to enjoy fellowship and share information about astronomy, cosmology, and space exploration. In the future, the fellowship plans sponsor meetings at Rotary conventions, and special projects of interest to members.
International Meteor Organization ( IMO )
The International Meteor Organization (IMO) was founded in 1988 and has more than 250 members now. IMO was created in response to an ever growing need for international cooperation of meteor amateur work. The collection of meteor observations by several methods from all around the world ensures the comprehensive study of meteor showers and their relation to comets and interplanetary dust.
International Supernovae Network ( ISN )
The Network has the purpose to help contacts and share information among supernovae enthusiasts both amateurs and astronomers worldwide.
International Union of Radio Science ( URSI )
The URSI is responsible for stimulating and co-ordinating, on an international basis, studies, research, applications, scientific exchange, and communication in the fields of radio science. Included within the objectives are the following: a) to encourage and promote international activity in radio science and its applications, for the benefit of humanity; b) to encourage the adoption of common methods of measurement, and the intercomparison and standardisation of the measuring instruments used in scientific work; c) to stimulate and co-ordinate studies of the scientific aspects of telecommunications using electromagnetic waves, guided and unguided, and of the generation, emission, radiation, propagation, reception, and detection of fields and waves, and the processing of the signals embedded in them; d) to represent radio science to the general public, and to public and private organisations. The 10 URSI Commissions include: Electromagnetic Metrology, Fields and Waves, Wave Propagation and Remote Sensing, Ionospheric Radio and Propagation, Waves in Plasmas, and Radio Astronomy. [also in French]
Ipswich School Astronomical Society ( ISAS )
Ipswich School Astronomical Society is a school club that was set up in 1998. Members are aged between 11 and 17 and meet weekly in the physics department of the school.
Irish Astronomical Society ( IAS )
Oldest Astronomical Society in Ireland. Founded in Dublin in 1937.
Isle Of Man Astronomical Society ( IOMAS )
Joint Organization for Solar Observations ( JOSO )
Jordanian Astronomical Society ( JAS )
The Jordanian Astronomical Society (JAS) - previously known as the Jordanian Amateur Astronomers Society - was founded in Amman in September 1987. It is temporarily located in Haya Cultural Center.
Kuffner Observatory Society ( VKS )
Astronomical Events and Astronomical News. Schedule and Information about the Activities, Guided Tours, Public Observations, and Meetings of the Kuffner Observatory Society (Verein Kuffner Sternwarte). Description of the 19th century Observatory in Vienna, Austria and its instruments. Historical and modern photographs of the facilities including the world's largest Heliometer. The VKS is an organisation of people interested in the night sky and historical instruments and observatories with a strong fraction of professional and amateur astronomers. It represants the Austria section of the International Dark Sky Association (IDA). [in German]
Lake County Astronomical Society ( LCAS )
Las Cruces Astronomical Society ( ASLC )
Web Site of the Astronomical Society of Las Cruces New Mexico, formed in 1951 by Dr Clyde Tombaugh and Walter Haas (also founder of A.L.P.O.). Site provides a calendar of Society and Public Events, a means of downloading the ASLC Monthly Bulletin, Information on courses and workshops provided by the ASLC. A scrapbook of pictures from society events as well as links to our member astronomy related websites and other websites that tell about our community as well as other astronomy related sites.
Lebanese Amateur Astronomical Society
A Lebanese astronomical society dedicated to the study of astronomical sciences which is open to all people of all ages in Beirut, Lebanon.
Lebanon Astronomy club ( astroleb )
AstroLeb association gathers many amateur astronomers and engineers from Lebanon. Its aim is to help advanced amateur astronomers to collaborate with professional astronomers working in Lebanon and abroad and help people work in a scientific atmosphere.
Lehigh Valley Amateur Astronomical Society ( LVAAS )
LVAAS is a public-oriented nonprofit educational organization dedicated to serving the interests of the community in astronomy and related fields. Established in 1957 by local amateurs throughout eastern Pennsylvania, the Society is a meeting place for people with a wide range of interests and backgrounds. For both professionals and amateurs alike, LVAAS has much to offer through our many programs and observing facilities.
Leicester Astronomical Society ( LAS )
Leicester Astronomical Society meets twice a month at National Space Centre, Leicester UK. Talks, visits, observing session, social events.
Leicester University Astronomy Society/ ( Astrosoc )
The Leicester University Astronommy Society web pages act as an introduction to all aspects of observing the night sky, whether using the naked eye or a telescope.
Letchworth and District Astronomical Society ( LDAS )
Letchworth & District Astronomical Society ( LDAS ), is based in Letchworth, Hertfordshire, UK (roughly Lat 52° N Long 0°). LDAS is a medium sized society, holding regular star parties, meetings, and public events for members, and the public alike.
Liga Iberoamericana de Astronomía Homepage ( LIADA )
LIADA's principal interests: Comets, Variable Stars, Amateur-Professional collaboration. Public Outreach, Solar astronomy.
Liverpool Astronomical Society
Based in Liverpool, Merseyside England U.K.
Formed in 1881, 200 members, two working observatories. Main telescope: 16 inch reflector based at Pex Hill Observatory. Objective is to encourage the science of Astronomy in Merseyside and in the North West Region of U.K.
Longmont Astronomical Society
Colorado
Los Angeles Astronomical Society ( LAAS )
The oldest astronomical society in southern California, founded in 1926. Over 350 members, and an active schedule of public and private observing and telescope making. Resources include a semi-portable 30-inch telescope, our own 2.5 acre dark sky observing site, and optical & machine shop facilities for telescope making.
Louisville Astronomical Society ( LAS )
The Louisville Astronomical Society, is an organization of individuals interested in various facets of Astronomy, both in optical and radio wavelengths.
M 1 - Grupo de Variables y Supernovas ( Madrid )
Amateurs astronomer 0bserving Group of Variables and Supernovae founded on 1990. Discover of SN 93J in M 81. Edit annually M 1 Circular. [in Spanish].
Malta Astronomical Society
Manchester Astronomical Society ( MAS )
Founded in 1903 the MAS is one of the oldest astronomical societies in the UK. The Godlee observatory houses a Grubb 8" refractor and a 12" reflector, sited on the roof of UMIST.
Mansfield and Sutton Astronomical Society ( MSAS )
MSAS is an organisation for astronomy enthusiasts that meet on a regular basis for astronomical observing, talks by guest speakers and presentations to the general public.
Martz Observatory & Martz Astronomical Assn., Inc.
The Web Site for the Martz Observatory & Astronomical Association. The Martz Observatory has served western New York state since 1965. The Martz Astronomical Association, Inc. (501c3) conducts public education programming at the observatory and other locations that give over 15,000 people access to the stars every year.
McMath-Hulbert Solar Observatory
Located about 40 miles North of Detroit, Michigan, USA.
Mediterranean Association of Environmental and Space Sciences ( AMSEE )
The "Association Mediterranenne des Sciences de l'Environnement et de l'Espace" or Mediterranean Association of Environmental and Space Sciences is a non profit organisation established late 1990. Since then the Association has installed two telescopes, one designed for the observation of planets and double stars under the Mosser Dome and another for deep sky observing under the Messier Dome. CCDs observing for amateur size telescope has been the major interest of the members since the beginning.
Memphis Astronomical Society ( MAS )
The Memphis Astronomical Society is a non-profit, public service organization promoting interest and education in astronomy and related sciences.
Meta Research ( Alternative theories )
Scientifically viable challenges to mainstream paradigms: problems with the Big Bang, replacement cosmologies -- especially the Meta Model, Le Sage-type gravity models, the speed of gravity, the physical interpretations of relativity, replacement solar system origin models -- especially the fission model, the exploded planet hypothesis, the satellite model for comets-asteroids-meteoroids, Mars anomalies, tutorials, editorials, message board, quarterly bulletin, research notes, expeditions.
Montana Space Grant Consortium ( MSGC )
Part of the NASA's National Space Grant and Fellowship Program, MSGC enhances aerospace research and education in Montana through a variety of programs. Research initiation grants, education enhancement grants, undergraduate research awards and scholarship-fellowship program are administered by the Central Consortium Office at Montana State University in Bozeman. This office acts as a statewide clearinghouse for information on NASA and other aerospace-related programs relevent to the state, and takes an active role in alterting Consortium affiliates about opportunities in research and education with NASA and other space agencies.
Mountain Skies Astronomical Society ( MSAS )
A non-profit educational science center, with a lender library of resources. Several membership catagories including special classroom memberships.
Naperville Astronomical Association ( NAA )
Amateur astronomy club for southwest Chicagoland (IL, USA).
Monthly public meetings; observatory hosts public observing evenings June - Sept.; observing sessions and other activities for members.
National Academy of Sciences - Board on Physics and Astronomy ( National Research Council )
New Jersey Astronomical Association ( NJAA )
"The Paul H. Robinson Observatory" and the "Edwin E. Aldrin, Jr. Astronomical Center" stands on eighteen acres at an elevation of almost nine hundred feet in Voorhees State Park
New Mexico Tech Astronomy Club
Nobel prize
Nordic Institute for Theoretical Physics ( NORDITA )
Funded by Danmark, Finland, Island, Norway, and Sweden, through the Nordic Council of Ministers. Research at NORDITA is conducted in four primary fields: Astrophysics, High energy and nuclear physics, Condensed matter and statistical physics, and Biological physics.
North Shore Amateur Astronomy Club ( NSAAC )
NSAAC is an Astronomy club of the North Shore in Massachusetts,USA
North Valley Astronomers ( NOVA )
The North Valley Astronomers (NOVA) is an organization open to anyone interested in astronomy and living in Northern California, including students of all grades.
Northeast Florida Astronomical Society ( NEFAS )
Located in Jacksonville, Florida.
Northeast Kansas Amateur Atronomers' League ( NEKAAL )
NEKAAL is a non-profit astronomy group engaged in public awareness of astronomical topics. Farpoint Observatory is owned and operated by NEKAAL and is the home of FAST ( Farpoint's asteroid search team) MPC code #734.
Norwich Astronomical Society ( NAS )
The Norwich Astronomical Society is based at the Seething Astronomical Observatory, Norwich, Norfolk, UK. The observatory houses a 30-inch Newtonian reflector which is the second largest amateur-built telescope in the UK.
Novi Sad Astronomical society ( ADNOS )
Odyssey Astronomy Club - Ten Acre Observatory
Oil Region Astronomical Society ( ORAS )
Northwest Pennsylvania
Oklahoma City Astronomy Club ( OKcAC )
The Oklahoma City Astronomy Club exists to provide an enjoyable opportunity to explore the science of astronomy.
Omaha Astronomical Society
Website of the Omaha Astronomical Society.
OPTical Infrared COordination Network ( OPTICON )
OPTICON is a project funded by the European commission as part of its Fifth Framework Programme. OPTICON brings together providers and users of European astronomical infrastructures to identify common approaches and improve access for the benefit of all European astronomy.
Orange County Astronomers ( OCA )
Orange County Astronomers is anastronomy group for Orange County California. Operates Anza Observatory near Palomar Mtn. 12 page journal monthly, Sirius Astronomer. Sponsors AstroImage.
Orwell Astronomical Society (Ipswich) ( OASI )
The OASI is based at the Orwell Park Observatory, built in 1873, at the village of Nacton in Suffolk (UK). The OASI pages give information about its activities and the history of the observatory.
Ottawa Valley Astronomy and Observers Group ( OAOG )
We are the Ottawa Valley Astronomy and Observers Group -- Observateurs astronomes d'Ottawa-Gatineau (OAOG) : a very casual group of amateur astronomers who do sidewalk astronomy, star parties and just like to observe together. Observers of all levels are welcome. The OAOG is the original informal group for Ottawa, Ontario founded in 1994.
Peoria Astronomical Society
Peoria astronomical Society is an Amateur Astronomy Society Dedicated: To promote the science of astronomy By fostering astronomical education; by providing incentives for astronomical observation and research; by assisting communication among amateur astronomers.
Philippine Astronomical Society ( PAS )
Features the Philippine Astronomical Society's history, objectives, current activities, etc. Provides lots of pictures showing both astronomical observations and human interests related to astronomy in the Philippines.
Philippines Astronomical League ( ALP )
The ALP is an amateur organization to foster awareness in astronomy in the Philippines. The site contains News on astronomy, tips and trick on astrophotography, and, much more, the ALP is the home for the dedicated amateur astronomer.
Planetary Society
In 1980, Carl Sagan and Bruce Murray founded The Planetary Society to promote the exploration of our solar system (and others) and the search for extraterrestrial life. In its first year, the Society became the fastest growing nonprofit membership organization of the decade. We now number over 100,000 members around the world--the largest nongovernmental space organization on Earth.
Polaris Observatory Association ( POA )
Polaris Observatory Association is a scientific not-for-profit organization with a private observatory in Lockwood Valley, California.
Prairie Astronomy Club of Lincoln, Nebraska ( PAC )
The Prairie Astronomy Club is a non-profit organization dedicated to education of the public about the science of astronomy, as well a furthering the science through the activities of the club members.
Prince George Centre - Royal Astronomical Society of Canada
The Prince George Centre of the Royal Astronomical Society of Canada is a non-profit organization dedicated to the advancement of astronomy and science in Prince George and the neighboring Northern Canadian communities.
Programme National Galaxies (CNRS, France) ( PNG )
The national program "GALAXIES" (CNRS) has the following goals: [in French].
Public Observatory Mariazell ( Raiffeisen Volkssternwarte )
All about the public Observatory "Raifeisen Volkssternwarte Mariazellerland". [in german]
Remscheid Astronomical Association & public Observatory ( AVRS )
All about the Astronomischer Verein Remscheid e.V. - Sternwarte Remscheid. [in German]
Rhodes University Astronomy and Ham Radio Society
A Student Society at Rhodes University, located in Grahamstown, Eastern Cape, South Africa.
River Valley Stargazer Online ( A web based Astronomy magazine )
The River Valley Stargazer Online is devoted to the education of Astronomy and weather.
Riverside Astronomical Society ( RAS )
Bringing the joys of astronomy to the public in Southern California. Guest speakers, star parties, amateur telescope making, education and community outreach.
Royal Astronomical Society of Canada - Vancouver Centre ( RASC Vancouver Centre )
RASCVC is a chapter of RASC based in Vancouver, BC. It is also incorporated as a Society in the Province of BC. In addition to receiving RASC National publications members receive a bi-monthly newsletter NOVA. Members' Meetings are held the second Tuesday of each month with a guest speaker. Members may borrow books and CD ROMS from an extensive library, access the telescope loaner program, attend starparties, and meet and learn from other enthusiasts.
RASCVC operates CARO, the Canadian Amateur Research Observatory, which while primarily devoted to supernova search is also available for other suitable research projects. CARO uses a 16 inch Meade LX200 SCT with a CCD camera.
Royal Astronomical Society of Canada ( RASC )
The beginnings of "The Royal Astronomical Society of Canada" (RASC) go back to the middle of the nineteenth century. The Society was incorporated within the province of Ontario in 1890, received its Royal Charter from King Edward VII in 1903, and was federally incorporated in 1968. The National Office of the Society is located at 136 Dupont Street, Toronto, ON, M5R 1V2, telephone (416) 924-7973, e-mail rasc@vela.astro.utoronto.edu. The business office and library are housed there. You may link to RASC Centres across Canada from this page and join the one nearest you.
Royal Astronomical Society ( RAS )
The Royal Astronomical Society was founded in the year 1820 and received the grant of a Royal Charter in 1831. The Society's aims are "the encouragement and promotion of astronomy and geophysics." The main functions are to publish the results of astronomical and geophysical research, to maintain as complete a library as possible in these subjects and to hold meetings, in London and elsewhere, at which astronomical and geophysical matters can be discussed.
Rudjer Boskovic Astronomical Society ( Belgrade )
[in Serbian]
Ryerson Astronomical Society
a student organization at the University of Chicago.
Sabadell Astronomical Group ( Amateur society )
The Agrupacion Astronomica de Sabadell is an spanish amateur society founded in 1960 and with 900 members (2004). The observatory, located in Sabadell (near Barcelona), have a main telescope of 50cm used for amateur research and public observations. [also in Spanish and in Catalan]
Saguaro Astronomy Club ( SAC )
The Saguaro Astronomy Club promotes fellowship and the exchange of information among its members and regularly conducts and supports public programs on astronomy.
The SAC Deep Sky Database contains information on over 10,000 star clusters, galaxies, and nebulae of all types. The SAC Double Star Database contains information on over 10,000 multiple star systems.
Saint Louis Astronomical Society ( SLAS )
Site of the Saint Louis Astronomical Society in St. Louis, MO, USA.
Salduie Universitary Astronomical Group ( GAUS )
The Grupo Astronomico Universitario Salduie is an amateur group located in the University of Zaragoza (Zaragoza, Spain). Interested in Astronomy in general, but especially in astrophotography with CCD cameras.
Salford Astronomy Society ( SAS )
An amateur astronomy group which holds weekly lectures/meetings and is developing this resource with two primary aims of improving communications between amateur and professional astronomers and nurturing an interest in astronomy amongst the local community.
San Antonio Astronomical Association ( SAAA )
Since its founding in 1974, the San Antonio Astronomical Association of San Antonio, Texas, has become one of the largest non-profit amateur astronomical organizations in the United States. Our 250+ members come from every walk of life, from elementary school students, to retirees, to teachers, to professional astronomers. For nearly a quarter century the SAAA has provided free educational programs for its members and the public.
San Antonio Astronomical Observers Group
Ideal for the amateur astronomer and space exploration enthusiasts, we are neighbours in the San Antonio Metro area who share your interests and are there to help you learn more about the night sky and your telescope, to share ideas and enjoy each other's company.
San Diego Astronomy Association ( SDAA )
Amateur astronomers of San Diego, CA and surrounding areas meet 730PM Third Fridays at the R.H. Fleet Space Theater and Science Center, Balboa Park.
Lectures, public star parties, telescope making. Professionally equipped observatory at large remote desert site.
San Francisco Amateur Astronomers ( SFAA )
Founded in September 1952, the SFAA holds general meetings on the third Wednesday of every month at the Morrison Planetarium in San Francisco's Academy of Sciences building in Golden Gate Park.
San Jose Astronomical Association ( SJAA )
An amateur astronomy club in San Jose, California, USA.
San Mateo County Astronomical Society ( SMCAS )
The San Mateo County Astronomical Society (SMCAS) is a non-profit corporation organized by amateur astronomers.
Sangamon Astronomical Society ( SAS, Illinois )
Schwäbischen Sternwarte
The Swabian Observatory was founded in 1919. It is a non-profit-making organisation. Since January 8th 1922 we operate an observatory located on a hill in Stuttgart. The focal point of our astronomical work is the observation of occultations of stars by the moon, the planets and their satellites, asteroids and also mutual events. We measure the occultation timings with video and photoelectric equipment up to 10.5 mag with an accuracy of +/-0.01s and up to 13.5 mag with an accuracy of +/-0.1s. We send our results to IOTA, EAON, BAA and ILOC. Sometimes we make an excursion to observe grazing events with our transportable telescopes, for example a Meade 2080HTC. Another main emphasis is the observation of variable stars, mainly Mira type stars. Normally we measure stars up to 15mag. At the moment we are beginning to observe variable stars with the CCD camera ST-6. We send our results to AAVSO, AFOEV and BAV. [in German]
SETI Institute ( SETI )
The SETI Institute (the Search for Extraterrestrial Intelligence) serves as an institutional home for scientific and educational projects relevant to the nature, distribution, and prevalence of life in the universe. The mission of the SETI Institute is to explore, understand and explain the origin, nature and prevalence of life in the universe. The SETI Institute is a private, nonprofit organization dedicated to scientific research, education and public outreach. Founded in 1984, the Institute today employs over 100 scientists, educators and support staff. Research at the Institute is anchored by two centers, each directed by a renowned scientist who holds an endowed chair.
SETI League
The SETI League believes that receipt of electromagnetic signals of intelligent origin from beyond our planet will change forever our view of humanity's place in the cosmos. Our mission it to organize and coordinate people interested in the Search for Extra-Terrestrial Intelligence in the hope of receiving such signals.
Simple Radio Astronomy ( Amateur Radio astronomy without a dish! )
If you're looking to get into radio astronomy and you've looked at other backyard radio astronomy sites on the Net, coming to the conclusion that all you need a "spare 3m satellite dish and $20,000 of surplus electronics", then this site is for you!

This site is all about astronomers working together to develop and perform radio astronomy.

Sirius Astronomy Association ( Constantine, Algeria )
SIRIUS is an Amateur Astronomy Association from Constantine, Algeria, devoted to promote Astronomy and Science, and to establish contact with similar associations.
Slovak Astronomical Society
Smoky Mountain Astronomical Society
Sociedad Astronómica de México A.C. ( SOCASTMX )
The Astronomical Society of Mexico founded in 1902, is a non profit association where people can learn astronomy from lectures, courses, planetarium and observatory visits.
Sociedad Española de Astronomía ( SEA )
The Spanish Astronomical Society is open to all researchers and students in the field of Astronomy, as well as to any other person or institution interested in contributing to the development of this discipline in Spain. The aim of the SEA is to provide a forum for the discussion on subjects of common interest, to offer the means for dealing with those affairs in which a joint action is appropriate, and to maintain institutional relations with similar societies.
Società Astronomica Italiana ( SAIt )
The Italian Astronomical Society (Società Astronomica Italiana) is the oldest astrophysical society in the world, having been founded in 1871 with the name of Società degli Spettoscopisti Italiani (Italian Society of Spectroscopists).
The Society's aims are "the encouragement and promotion of studies and knowledge in astronomy". The Society publishes "Memorie della Società Astronomica Italiana" (in English), "Giornale di Astronomia" (in Italian) and "Al-Magella al-Falakyya" (Arabic language edition of the "Giornale"), as well as two electronic magazines "AstroTech Journal" (in English) and "Quaderni di Astrofisica" [in Italian]
Societe Astronomique de France ( SAF )
Société Astronomique de France (in French).
Societe Astronomique de Liege ( SAL )
This site of the Astronomical Society of Liege (Belgium) is completely in French.
La Société Astronomique de Liège vous propose: prochaines activités; actualité astronomique; images d'amateurs; liens astronomiques; informations sur la SAL, etc...
Societe d'Astronomie de Nantes ( SAN )
[in French].
Societe d'Astronomie de St-Imier - Les Pleiades ( Pléiades )
A society of amateur astronomers in Switzerland.
La Société d'Astronomie de St-Imier offre aux amateurs une porte ouverte sur l'Univers... Elle veut donner aux amateurs les possibilités de construction de télescopes, d'observation du ciel, d'utilisation de logiciels, d'astro-photographie, etc. [in French].
Societe Francaise d'Astronomie et d'Astrophysique ( SF2A )
The Société Française d'Astronomie et d'Astrophysique (SF2A) is the French Society for professional astronomers. It has been founded in 1978 and was previously known as SFSA. [in French]
Societe Royale Belge d'Astronomie, de Meteorologie et de Physique du Globe ( SRBA )
The "Société Royale Belge d'Astronomie, de Météorologie et de Physique du Globe" was founded in Brussels in 1894. It is a non-profit organization for french speaking people interested in astronomy, meteorology, geophysics and space sciences. The Society publishes the bimonthly journal "Ciel et Terre", organizes conferences, seminars, course of lectures and visits to professional astronomical sites. One of its most famous president was the cosmologist Georges Lemaître.
Society for Popular Astronomy ( SPA )
The Society for Popular Astronomy brings astronomy to everyone. Formed in 1953 as the Junior Astronomical Society, the SPA publishes a quaterly magazine Popular Astronomy.
Soissonnais Astronomical Association ( Amateur AAS-France )
Association Astronomique du Soissonnais. [in French]
Solar Physics Division - American Astronomical Society ( AAS SPD )
South East Essex Astronomical Society ( SEEAS )
The South East Essex Astronomical Society (SEEAS) was wound up on 7th of May 2004, but the web site remains for historical purposes.
Southern Astronomical Society Home Page
One of the first WWW sites of an amateur astronomical in Australia. Set up for the Southern Astronomical Society, Inc. by the administrator, Zac Pujic. The site contains general information about astronomy as well as information about the society.
Southern Cross Astronomical Society ( SCAS )
The Southern Cross Astronomical Observatory, founded in 1922 in Miami, Florida, is one of the oldest amateur astronomical societies in the Western hemisphere. The renowned astronomer, Dr. Harlow Shapley, visited the first observatory at the Royal Palm Hotel & Park near the Miami River. He marveled at our view of the constellation Crux, "The Southern Cross," and suggested this name for the newly formed Observatory.
Southern Maryland Astronomical Society ( SMAS )
Southern Nights Astronomical League of Florida ( Southern Nights )
The Southern Nights Astronomical League of Florida provides a one-stop resource to astronomy in Florida.
Southern Nights provides a forum for all Florida astronomical organizations, planetaria, observatories, and educators to coordinate and promote astronomy, astronomical events and light pollution abatement efforts within the State of Florida, so that needless dupication of efforts and potential conflicting event schedules might be avoided.
Southwest Montana Astronomical Society ( SMAS )
The Southwest Montana Astronomical Society is a regional astronomy club founded in 1993 to promote amateur astronomy through a variety of programs and special events. Meetings are held on the last Friday of every month, 7:30 pm at the Museum of the Rockies in Bozeman, and are always free and open to the public. Activities include guest speakers, telescope workshops, star parties, planetarium shows, slide programs. Annual events sponsored by SMAS include the Montana Astro Fair, a major astronomy festival held at the Museum of the Rockies each winter, and the Montana Starwatch, a regional star party at a dark sky site in the summer. Each event draws hundreds of participants. SMAS has approximately 100 members.
SPIE - The International Society for Optical Engineering
The Web site of the International Society for Optical Engineering, includes meeting announcements, membership information, and abstracts of nearly 30,000 papers on optics and related subjects, including astronomy. The Gateway to Photonics Information is a set of links to institutions, societies, government agencies, and other useful resources.
Sternfreunde Durmersheim und Umgebung e.V.
Meteorüberwachung (meteor observation), Alle Bereiche der Astronomie (all astronomical themes). [in German]
Sternfreunde Oberaargau ( SFO )
Informationen über Verein, Astronomie allgemein, Fotos, Linksammlung [in German].
Stockholm Amateur Astronomers ( STAR )
STAR is a club in Stockholm, Sweden for those who are curious about the wonders of the sky.
Students for the Exploration and Development of Space ( SEDS )
Students for the Exploration and Development of Space was founded in 1980 at MIT and Princeton and consists of an international group of high school, undergraduate, and graduate students from a diverse range of educational backgrounds who are working to promote space as a whole. SEDS is a chapter based organization with chapters throughout the United States, Canada, United Kingdom, Latin America, and the Middle East. The permanent National Headquarters for SEDS-USA resides at MIT. Each chapter is fairly independent and coordinates activities and projects in its own area.
There is also a Gopher server which contains a Rennes archive mirror plus software.
Tel-Aviv University Astronomy Club ( TAU AstroClub )
Organize astronomy activities and lectures for the general public. Video lectures, sky maps, celestial events are available in the web site. [also in Hebrew]
Texas Astronomical Society of Dallas ( TAS )
With over 300 members, the Texas Astronomical Society of Dallas is a group of individuals sharing and promoting their common interest in astronomy. T.A.S. is a member of the Astronomical League and is home to the nationally known " Constellation of the Month" series.
The Albuquerque Astronomical Society ( TAAS )
A non-profit scientific and educational organization dedicated to education and the enjoyment of astronomy. Offers telescope making, educational outreach, lectures, sidewalk astronomy and dark sky activities.
The Astronomer online ( TA )
TA produces a magazine for the advanced amateur and its aim is to publish all observations of astronomical interest as soon as possible after they are made.
The magazine has been published monthly since 1964 and subscribers are found all over the world. It also provides a very comprehensive electronic circulars service to keep our members up to date.
The Galileo Institute
The Galileo Institute, located at 1936 Arlington Boulevard, Charlottesville, Virginia and founded by Dr. Shiv S. Kumar in 2000, is an independent nonprofit institution for scientific research and education. The Institute's mission is to study the problems of the origin and evolution of planets, stars, and galaxies in the universe by the scientific method. The problem of the origin and evolution of life in the universe is also studied at The Galileo Institute. The President of The Galileo Institute is Dr. Shiv S. Kumar. Dr. Kumar is an emeritus faculty member at the University of Virginia.
The North Devon Astronomical Society ( NDAS, UK )
The Sirius Stargazers Club ( Michigan, USA )
Our organization provides free viewing to the public through our 20" reflecting telescope and our 6" refractor. We also provide a large educational library of DVD's pertaining to space, science, and math purchased from NASA. The DVD's are free to check out. Our site also includes activites such as bi-weekly star parties, model rocketry, mirror grinding and polishing. We are also working on plans to build a 36" reflecting telescope for our members and the community.
The Wilderness Center Astronomy Club ( WCAC )
Astronomy club in Canton, Ohio area. New observatory with refurbished 16" Ealing Cassegrain telescope. Planetarium and Educational programs.
Torbay Astronomical Society ( Devon, England )
The Torbay Astronomical Society is based in Torbay, Devon, England. The web site includes information on the 1999 eclipse, for which Torbay will be in the totality zone.
Trefach Astronomy Centre Software ( Network Telescope Control and Blink Compartor )
Trinity Astronomy & Space Society Homepage ( TASS )
Astronomy & Space Society in Trinity College Dublin
Tucson Amateur Astronomy Association ( TAAA )
The Tucson Amateur Astronomy Association is a group of people that want to share their interest in the sky. General meetings are held monthly, and frequent observing sessions are scheduled at dark sites. Members vary in expertise from beginner to professional.
Tycho Brahe Observatory ( TBO )
Tycho Brahe observatory is an amateur facility located outside Malmö, southern Sweden. It is a cooperation between two astronomical societies in the region; Malmö Astronomi- & RymdfartsSällskap (MARS) and Astronomiska Sällskapet Tycho Brahe (ASTB). The observatory is open to the public and offers shows for many different types of groups, in particular for schools.
Remote observations in real time with the robotic telescope/CCD system are also proposed.
Tycho Brahe Planetarium
UK Students for the Exploration and Development of Space ( UKSEDS )
UKSEDS is the UK's national student space society. Take a look at our web pages for more information on our activities and how to join. The web site also contains information resources related to space in the UK and around the world.
Unione Astrofili Italiani ( UAI )
[in Italian]
Uruguay Association of Amateurs in Astronomy ( AAA-Uruguay )
The Asociación de Aficionados a la Astronomía is an astronomy amateur association of Uruguay. Pages contain ephemerides, news, institutional information, e-mail list, etc.
Vigilia Youth Association for Astronomy ( JVS Vigilia )
Jongeren Vereniging voor Sterrenkunde Vigilia. Features information and pictures on our youth association. Authentic astronomical pictures taken by our members can also be found here. Organises an astronomical youth course. [in Dutch]
Visual Satellite Observers
Wabash Valley Astronomical Society ( WVAS )
The Wabash Valley Astronomical Society (WVAS) is a non-profit organization located in Lafayette, Indiana.
Warren Rupp Observatory ( WRO: Home of Hidden Hollow Conventions )
Astronomical Research, Digital Imaging, Comet Search, planetary observation, Deep sky photography, Education.
31" F7 Telescope with computer drive in 35ft dome.
Free access to qualified students, university, professionals, amateurs and general public.
Open House once a month. All other visits by appointment only.
Webb Society
The Webb Society has members in over 20 countries. It encourages the observation of deep-sky objects and double stars and has published a series of observing handbooks and observing guides by and for members.
The Quarterly Journal is called the Deep Sky Observer and has appeared regularly since 1968. Details of membership, can be found at the www site.
Westchester Amateur Astronomers ( WAA )
The astronomy club for Westchester County, NY (U.S.A.). Serving the needs of the astronomical community in Westchester County since 1983.
Working Group for the History of Astronomy ( in the Astronomische Gesellschaft )
The working group is open for all who are interested. Its membership is independent from that in the AG.
Worthing Astronomical Society ( WAS )
Official website for Worthing Astronomical Society. There are reports and articles from lectures, section directors, the committee and members. Also includes astronomical data, pictures, links, weather, up-to-the-minute news, a diary, live data java applets, etc.
Wycombe Astronomical Society ( WAS )
Astronomy for Everyone in Buckinghamshire, England. Affiliated to the Society for Popular Astronomy, the Federation of Astronomical Societies and the Chiltern Group of Astronomical Societies. Over 65 members.
Resources include The Chiltern Observatory housing a 12" Newtonian equatorial.
Yellowstone Valley Amateur Astronomers ( YVAA )
Österreichische Gesellschaft für Astronomie und Astrophysik ( OeGAA )
The WWW pages of the Austrian Astronomical Society, ''Österreichische Gesellschaft für Astronomie und Astrophysik`` contain basic information on the activities of this organization of Austria astronomers.

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